Blower Fan Runs Slower Than Expected In Cold Weather (When In Auto Mode)

Blower fan runs slower than expected in cold weather (when in AUTO mode)NOTE: It is normal for the blower fan to run slowly until the coolant temperature rises when in AUTO mode

Blower fan runs slower than expected in cold weather (when in AUTO mode)

NOTE: It is normal for the blower fan to run slowly until the coolant temperature rises when in AUTO mode

Probable cause: Engine coolant temperature (ECT) circuit malfunction

Troubleshoot the ECT sensor circuit:

ECT sensor 2 circuit low voltage P2184

ECT sensor 2 circuit high voltage P2185

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